LXR uboot/board/freescale/m5272c3/m5272c3.c

   1/*
   2 * (C) Copyright 2000-2003
   3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4 *
   5 * See file CREDITS for list of people who contributed to this
   6 * project.
   7 *
   8 * This program is free software; you can redistribute it and/or
   9 * modify it under the terms of the GNU General Public License as
  10 * published by the Free Software Foundation; either version 2 of
  11 * the License, or (at your option) any later version.
  12 *
  13 * This program is distributed in the hope that it will be useful,
  14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 * GNU General Public License for more details.
  17 *
  18 * You should have received a copy of the GNU General Public License
  19 * along with this program; if not, write to the Free Software
  20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21 * MA 02111-1307 USA
  22 */
  23
  24#include <common.h>
  25#include <asm/immap.h>
  26
  27
  28int checkboard (void) {
  29        puts ("Board: ");
  30        puts ("Freescale MCF5272C3 EVB\n");
  31        return 0;
  32        };
  33
  34phys_size_t initdram (int board_type) {
  35        volatile sdramctrl_t * sdp = (sdramctrl_t *)(MMAP_SDRAM);
  36
  37        sdp->sdram_sdtr = 0xf539;
  38        sdp->sdram_sdcr = 0x4211;
  39
  40        /* Dummy write to start SDRAM */
  41        *((volatile unsigned long *)0) = 0;
  42
  43        return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
  44        };
  45
  46int testdram (void) {
  47        /* TODO: XXX XXX XXX */
  48        printf ("DRAM test not implemented!\n");
  49
  50        return (0);
  51}
  52